MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts within an insert. With environmental sealing and a wide operating temperature range from -65°C to 200°C, these connectors ensure reliable performance in demanding conditions. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount receptacles, they offer versatility for different applications. The aluminum shells come with plating options including cadmium and nickel for enhanced durability. Utilizing M39029 rear release crimp contacts, these connectors guarantee secure connectivity, with options for RoHS compliant finishes. Perfect for military and industrial use, the MIL-DTL-38999 Series II connectors are known for their robust construction and high reliability.